ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Atherosclerosis. Coloured 3D computed tomography (CT) angiogram of the head of a 60 year old patient with hypertension (high blood pressure) and hypercholesterolemia (high blood cholesterol). The blood vessels are narrowed due to atherosclerosis, the build up of fatty plaques (atheroma).
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